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- Table of Contents
Facts about Proton channel OTOP1.
Proton- selective channel activity is probably required in cell types that use changes in intracellular pH for cell signaling or to regulate biochemical or developmental processes (PubMed:29371428). In the vestibular system of the inner ear, required for the formation and function of otoconia, which are calcium carbonate crystals that sense gravity and acceleration (PubMed:12651873).
Mouse | |
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Gene Name: | Otop1 |
Uniprot: | Q80VM9 |
Entrez: | 21906 |
Belongs to: |
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otopetrin family |
MGC163302; MGC163304; otopetrin 1; otopetrin-1
Mass (kDA):
65.755 kDA
Mouse | |
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Location: | 5 B3|5 20.35 cM |
Sequence: | 5; |
Detected in embryonic inner ear macular epithelia (PubMed:12651873). Expressed in thymus, heart, kidney, skin, vestibular system of the inner ear, sour taste cells, brown adipose tissue, heart, uterus, dorsal root ganglion, adrenal gland, lactating mammary gland and stimulated mast cells (PubMed:12651873, PubMed:29371428). Specifically expressed in sour taste cells and not other types of taste cells (PubMed:29371428).
PMID: 12651873 by Hurle B., et al. Non-syndromic vestibular disorder with otoconial agenesis in tilted/mergulhador mice caused by mutations in otopetrin 1.
PMID: 17606897 by Hughes I., et al. Otopetrin 1 activation by purinergic nucleotides regulates intracellular calcium.